Abstract: A winding and unwinding system includes at least two winding rollers, a roll-changing device, a sensing device, a measuring device, and a controller. The roll-changing device can drive at least two winding rollers to sequentially move to a set position, where the winding roller located at the set position can wind a strip material. The sensing device emits an in-place signal when the winding roller located at the set position rotates one circle. The measuring device is configured to measure a traveling length of the strip material. The controller, upon receiving the in-place signal, determines a winding radius of the winding roller located at the set position based on the traveling length measured by the measuring device, and when the winding radius reaches a preset threshold, controls the roll-changing device to drive another winding roller to move to the set position and get in contact with the strip material.

Abstract: A manufacturing method includes: applying an electrode slurry to a first surface of a current collector to form a first electrode layer on the first surface; performing a first drying operation on the current collector with the first electrode layer formed thereon to dry the first electrode layer; applying the electrode slurry to a second surface of the current collector after the first drying operation to form a second electrode layer on the second surface, the second surface being opposite the first surface; performing a second drying operation on the current collector having the first electrode layer and the second electrode layer formed thereon to dry both the first electrode layer and the second electrode layer; and performing a compensation drying operation on the second electrode layer of the current collector.

Abstract: A voltage regulation apparatus and an overcurrent protection method are disclosed. The voltage regulation apparatus includes a current detection control circuit, a power stage circuit, a voltage input terminal, and a voltage output terminal. The power stage circuit includes at least one transistor. Because a current parameter indicates a load current of the at least one transistor, and a plurality of preset overcurrent protection thresholds are dynamic overcurrent protection thresholds obtained after being preset based on temperature information and the like, after obtaining the current parameter, the current detection control circuit compares the current parameter with the plurality of preset overcurrent protection thresholds, to output a control signal, to implement a limiting operation on the current parameter.

Abstract: A battery electrode sheet, a cylindrical battery, and a method for manufacturing same. The battery electrode sheet comprises a coated zone coated with an electrode material, and a bare foil zone, the bare foil zone being provided with multiple oblique slots and multiple oblique protrusions in an alternating manner. The cylindrical battery comprises a positive electrode sheet, a negative electrode sheet and a separator, the positive electrode sheet and/or the negative electrode sheet being the battery electrode sheet. The method for manufacturing a cylindrical battery comprises flattening positive/negative electrode end faces of a cell, wherein the direction of flattening is the same as the direction of inclination of oblique protrusions.

Abstract: The present disclosure relates to a system and a method for performing instance segmentation based on semantic segmentation that is capable of (1) processing HD images in real-time given semantic segmentation; 2) delivering comparable performance with Mask R-CNN in terms of accuracy when combined with a widely-used semantic segmentation method (such as DPC), while consistently outperforms a state-of-the-art real-time solution; (3) working flexibly with any semantic segmentation model for instance segmentation; (4) outperforming Mask R-CNN if the given semantic segmentation is sufficiently good; and (5) being easily extended to panoptic segmentation.

Abstract: The present disclosure relates to a detector apparatus. The detector apparatus may include a detecting module, an electronics module and a cooling assembly. The detecting module may be configured to detect radiation rays emitted from a subject and generate electrical signals in response to detection of radiation rays. The electronics module may be configured to process the electrical signals generated by the detecting module. The cooling assembly may be configured to cool the detecting module and the electronics module. The cooling assembly may include a first layer and a second layer. The first layer may be thermally connected with the detecting module, and the second layer may be thermally connected with the electronics module.

Abstract: The invention discloses a water-replenishing pipe dredging device, comprising a push-pull unit and a water replenishing unit. The push-pull unit comprises a main body pipe, a pulling part, and a suction part. The water replenishing unit comprises a water replenishing pipe, an upper cover group, and a lower cover group. When the pulling part is operated to pump water upward, the pulling part is pulled to a fixed position, and the remaining water will be injected into an extra space formed by upward movement of the pulling part in the main body pipe until a water level of the main body pipe is flush with that of the water replenishing pipe, so that the impact force of water in the main body pipe can be conveniently applied, can be completely transmitted to a blocked end, and can effectively clear blockages in a drainage pipeline.

Abstract: Embodiments of this specification provide a data processing method, apparatus, device, and system. The method includes: determining a receipt obtaining manner corresponding to a payment voucher, where the payment voucher is generated after payment processing of a target transaction is performed based on a reimbursement code; obtaining, in the receipt obtaining manner, an electronic receipt that matches the payment voucher; and returning the electronic receipt and the payment voucher to an application platform on which an institution to which the reimbursement code belongs is settled, to process the electronic receipt and the payment voucher on the application platform.

Abstract: The present disclosure relates to a detector apparatus. The detector apparatus may include a detecting module, an electronics module and a cooling assembly. The detecting module may be configured to detect radiation rays emitted from a subject and generate electrical signals in response to detection of radiation rays. The electronics module may be configured to process the electrical signals generated by the detecting module. The cooling assembly may be configured to cool the detecting module and the electronics module. The cooling assembly may include a first layer and a second layer. The first layer may be thermally connected with the detecting module, and the second layer may be thermally connected with the electronics module.

Abstract: A consensus method for a blockchain includes: obtaining, in a consensus reaching process of a block initiated by a proposal node, prevote messages generated by consensus nodes in a blockchain network; counting a quantity of first prevote messages for the block based on the received prevote messages, the first prevote messages being generated by the consensus nodes within a set duration in response to a proposal message for the block, the set duration corresponding to the proposal node and being determined based on a block generation duration of the proposal node; and adjusting the set duration corresponding to the proposal node recorded by the consensus nodes based on the quantity of the first prevote messages.

Abstract: Provided are a material transportation vehicle, a material carrying device, a material drying system and a control method, an electronic apparatus, a computer-readable storage medium, and a computer program product. The material transportation vehicle includes: a carrying base, and a push-pull assembly arranged on the carrying base. The push-pull assembly is configured to drive a material pallet for containing a material to move between a first position and a second position. The first position and the second position are staggered in a first direction, and the second position is located above the carrying base.

Abstract: A blockchain-based data processing method is applied to a blockchain node in a blockchain. The blockchain is used to store a payment record and an electronic ticket that are obtained after an institution member makes a payment based on a reimbursement code of an institution. The method includes: querying a payment record and an electronic ticket of a reimbursement payment event of the institution member in the blockchain after a write-off condition of the institution member is triggered; performing association processing of the reimbursement payment event based on the queried payment record and electronic ticket, to obtain to-be-written-off data; performing write-off processing on the to-be-written-off data, to generate a reimbursement form of the institution member, and performing on-chain processing; and performing accounting processing based on the reimbursement form, and uploading an obtained accounting voucher to the blockchain for tax declaration processing.

Abstract: A buck converter includes a high-side N-FET, a low-side N-FET, a P-FET, a between a gate terminal and a source terminal of the P-FET, aa capacitor, and a FET driver. The FET driver operates in a selectable one of a continuous current mode and a discontinuous current mode. In a first phase of the discontinuous current mode, a gate voltage on the gate terminal the N-FET equalizes to a source voltage on the source terminal of the N-FET to turn on the first N-FET. A high output voltage on a high-side output of the FET driver is high enough to overcome a threshold voltage of a body diode of the first P-FET to provide the high output voltage minus a threshold voltage to the gate terminal of the high-side P-FET to turn on the high-side P-FET.

Abstract: Embodiments of this specification provide a reimbursement code-based data processing method and apparatus. A reimbursement code-based data processing method includes: performing expense control verification on a target order of an institution member based on an expense control rule configured in a reimbursement code of an institution; paying, if expense control verification succeeds, for the target order based on an institution account bound to the institution, to obtain bill information; transferring the bill information to a ticket application link activated by an order participant, to generate an electronic ticket of the target order; and creating a reimbursement form of the institution member based on the electronic ticket and the bill information.

Abstract: The invention discloses a water-replenishing pipe dredging device, comprising a push-pull unit and a water replenishing unit. The push-pull unit comprises a main body pipe, a pulling part, and a suction part. The water replenishing unit comprises a water replenishing pipe, an upper cover group, and a lower cover group. When the pulling part is operated to pump water upward, the pulling part is pulled to a fixed position, and the remaining water will be injected into an extra space formed by upward movement of the pulling part in the main body pipe until a water level of the main body pipe is flush with that of the water replenishing pipe, so that the impact force of water in the main body pipe can be conveniently applied, can be completely transmitted to a blocked end, and can effectively clear blockages in a drainage pipeline.

Abstract: A buck converter includes a high-side N-FET, a low-side N-FET, a P-FET, a between a gate terminal and a source terminal of the P-FET, aa capacitor, and a FET driver. The FET driver operates in a selectable one of a continuous current mode and a discontinuous current mode. In a first phase of the discontinuous current mode, a gate voltage on the gate terminal the N-FET equalizes to a source voltage on the source terminal of the N-FET to turn on the first N-FET. A high output voltage on a high-side output of the FET driver is high enough to overcome a threshold voltage of a body diode of the first P-FET to provide the high output voltage minus a threshold voltage to the gate terminal of the high-side P-FET to turn on the high-side P-FET.

Abstract: Systems and methods are provided for performing object store offloading. A user query can be received from a client device to access a data object. The semantic structure associated with the data object can be identified, as well as one or more relationships associated with the semantic structure of the data object. A view of the data object can be determined based on the one or more relationships and said view can be provided to a user interface.

Abstract: Systems and methods directed to returning personalized image-based search results are described. In examples, a query including an image may be received, and a personalized item embedding may be generated based on the image and user profile information associated with a user. Further, a plurality of candidate images may be obtained based on the personalized item embedding. The candidate images may then be ranked according to a predicted level of user engagement for a user, and then diversified to ensure visual diversity among the ranked images. A portion of the diversified images may then be returned in response to an image-based search.

Abstract: The invention relates to methods for increasing nitrogen uptake, nitrogen assimilation, nitrogen use efficiency as well as yield in a plant, without affecting plant height, the method comprising increasing the expression or levels of a growth regulatory factor (GRF). Also described are genetically altered plants characterised by the above phenotype as well as methods of producing such plants.